CVE-2025-47241 json
Browser Use allows bypassing `allowed_domains` by putting a decoy domain in http auth username portion of a URL
published 2025-05-03 18 mo ago modified 2026-10-27 12 d ago also GHSA-x39x-9qw5-ghrf , PYSEC-2026-300 , EUVD-2025-13352
- cvss
- 4.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
In browser-use (aka Browser Use) before 0.1.45, URL parsing of allowed_domains is mishandled because userinfo can be placed in the authority component.
Patch / fix
- pypi browser-use 0.1.45
- browser-use browser-use 0.1.45
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N |
| OSV | 3.1 | 9.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L |
| GitHub | 3.1 | 9.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | browser-use | <0.1.45 |
0.1.45 |
Affected products
- browser-use browser-use
Classification
- Weakness
-
- CWE-647 Use of Non-Canonical URL Paths for Authorization Decisions
References
-
github.com
/browser-use/browser-use/pull/1561
web
-
github.com
/browser-use/browser-use/security/advisories/GHSA-x39x-9qw5-ghrf
web
-
github.com
/browser-use/browser-use/releases/tag/0.1.45
web
-
nvd.nist.gov
/vuln/detail/CVE-2025-47241
advisory
-
github.com
/browser-use/browser-use
package
-
github.com
/pypa/advisory-database/tree/main/vulns/browser-use/PYSEC-2026-300.yaml
web
-
pypi.org
/project/browser-use
web, package
-
github.com
/advisories/GHSA-x39x-9qw5-ghrf
advisory
Sources
- CVE List CVE-2025-47241
- GitHub Advisory GHSA-x39x-9qw5-ghrf
- NVD CVE-2025-47241
- OSV PYSEC-2026-300
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